“I LIKE THE EDGE SEASON!” my husband, Peter, said, as we watched the moon rise over the mountains and felt a chill breeze rise with it. As far as I know, Peter invented this expression. He might have meant the “season’s end,” but I like the idea of the “season’s edge” better. Peter and I are staying in the south of Spain and, even here, the season is changing. Restaurants that have been open all…